update table set name = 'new test' where id = 1; 原来的记录被标记删除,删除版本号为2,并插入新记录,创建版本号为2 idnamecreate versiondelete version 1test12 1new test2 删除操作:把事务版本作为删除版本号 如事务3把记录删除 delete from table where id =
In SQL Server 2008, there is no internal indicator to suggest to the synchronization threads that the refreshed database schema design has or has not been altered, compared with the existing database schema design. Therefore, each synchronization truncates the OlapQueryLog table. Usuall...
它主要产生一系列的 SQL 语句,可以封装到文件,该文件包含有所有重建你的数据库所需要的 SQL 命令如 CREATE DATABASE,CREATE TABLE,INSERT 等等。可以用来实现轻量级的快速迁移或恢复数据库。 (1)数据库的导出 导出数据库 test # mysqldump -uroot -p --flush-logs test > /opt/test.sql //--flush-logs 这个...
Many types of operations are recorded in the transaction log. These operations include: The start and end of each transaction. Every data modification (insert, update, or delete). Modifications include changes by system stored procedures or data definition language (DDL) statements to any ...
Removes all SQL Server Agent job step logs that are specified with the arguments. Use this stored procedure to maintain the sysjobstepslogs table in the msdb database. Transact-SQL syntax conventions Syntax syntaxsql Copy sp_delete_jobsteplog [ [ @job_id = ] 'job_id' ] [ , [ @job_na...
(1)这个需要开共享,且需要给everyone 读取权限,也可以给sql server代理启动账户以读取权限,强烈推荐后者(2)比如代理的 log_shipping 输入进去,然后点击添加,给只读权限即可。(然后这个账户所在用户组也需要添加进来,比如Users)(3)或者新建一个账户,然后用这个账户启动从库代理,然后共享文件夹只给这个账户访问即可(...
For more information about when bulk import into a table is minimally logged, see Prerequisites for minimal logging in bulk import. When transactional replication is enabled, BULK INSERT operations are fully logged even under the bulk logged recovery model. SELECT - INTO clause operations. When ...
When Setup is executed in unattended mode, the logs are created within %temp%\sqlsetup*.log. All files in the log folder are archived into the Log*.cab file in their respective log folder. Expand table FilePath Summary.txt %programfiles%\Microsoft SQL Server\<nnn>\Setup Bootstrap\Log ...
(@dbname) + ')' AS CheckOldestNonDistributedTran; SELECT 'SELECT top 5 * FROM distribution..MSlogreader_history WHERE runstatus in (6, 5) OR error_id <> 0 AND agent_id = find_in_mslogreader_agents_table ORDER BY time desc ' AS LogReaderAgentState; END ELSE IF (@lo...
pt-table-checksum命令检查数据一致性 数据库sqlpython云数据库 SQL Server腾讯云测试服务 今天上班遇到了一个主从复制失败的问题,问题的表现是从库复制报错,最终通过修改参数slave_exec_mode的方法暂时解决了问题。关于这个参数,之前写过一篇文章进行描述,这里给出链接: AsiaYe 2020/07/14 2.5K0 MySQL复制功能介绍 py...